BGP Troubleshooting LiveLessons

More than 10 hours of video training covering all aspects of troubleshooting BGP.

BGP Troubleshooting LiveLessons provides complete coverage of the techniques you need to troubleshoot key BGP issues for all these Cisco operating systems: Cisco IOS, IOS XR, and NxOS. This title covers updated BGP design implementations found in blended service providers and enterprise environments and shows exactly how to troubleshoot them.

There are 8 modules with 20 lessons equaling more than 10 hours of video training in BGP Troubleshooting LiveLessons. Coverage includes:

• Troubleshooting BGP Peering Issues

• Troubleshooting Platform Issues Caused by BGP

• Troubleshooting BGP Routing Policies

• Troubleshooting BGP Convergence

• BGP Multi-Homing and Multipath

• Scaling BGP

• Securing BGP

• BGP High Availability

Skill Level

• Intermediate

What You Will Learn

• Topical, up to date information for BGP Troubleshooting

• The ins and outs of troubleshooting on Cisco IOS, IOS XR, and NxOS

Who Should Take This Course

Network Engineers, Network Operations, Technical Support Engineers, Consultants, IP Infrastructure Engineers, Cisco Channel Partners

The target audience is for intermediate to advanced network engineers that support BGP IOS, IOS XR, or NxOS-based platforms and have to troubleshoot complex BGP-related routing issues in their network. Networking experts will find the proposed book as an expert troubleshooting guide that could be used as a reference source during major outage situations.

Course Requirements

Knowledge and understanding of BGP and its attributes

Table of Contents

Module 1: Troubleshooting BGP Peering Issues

Lesson 1: Troubleshooting BGP Peering Down

1.1: Verifying Configurations

1.2: Verifying Reachability

1.3: BGP Authentication

1.4: Verifying ACLs

1.5: Verifying TCP Sessions

1.6: Decoding BGP Messages

1.7: Troubleshooting Blocked Processes in IOS XR

Lesson 2: Troubleshooting Flapping BGP Peers

2.1: Understanding BGP Flapping States

2.2: Understanding BGP Notifications

2.3: Troubleshooting MTU Mismatch Issues

2.4: Troubleshooting High CPU Causing BGP Flaps

2.5: Troubleshooting Interface Queue Drops

2.6: Troubleshooting Control Plane Policing

Lesson 3: Dynamic BGP Peering

3.1: Dynamic BGP Peering Overview

3.2: Dynamic BGP Peering Configuration

3.3: Verifying Dynamic BGP Peers

3.4: Challenges with Dynamic BGP Peering

Module 2: Troubleshooting Platform Issues Caused by BGP

Lesson 4: High CPU Caused by BGP

4.1: BGP Process in IOS

4.2: High CPU Caused by BGP Scanner

4.3: High CPU Caused by BGP Router

4.4: Troubleshooting Flapping Routes

4.5: Understanding BGP Table Version

4.6: BGP Processes in IOS XR

4.7: BGP Processes in NX-OS

Lesson 5: Troubleshooting BGP Process on IOS XR

5.1: IOS XR Thread States

5.2: Verifying BGP Process State and Threads

5.3: Troubleshooting Blocked Processes

Lesson 6: Troubleshooting Memory Issues Caused by BGP

6.1: Understanding Memory Requirements

6.2: Memory Leaks versus High Memory

6.3: Troubleshooting Memory Leaks in Cisco IOS

6.4: Troubleshooting Memory Leaks in IOS XR

Module 3: Troubleshooting BGP Routing Policies

Lesson 7: Troubleshooting BGP Path Selection

7.1: BGP Best Path Selection Algorithm

7.2: Troubleshooting BGP Best Path Selection

7.3: Impact of Network Events

Lesson 8: BGP Route Policy

8.1: Understanding BGP Route-Maps

8.2: Understanding RPL in IOS XR

8.3: Understanding RPM in NX-OS

Lesson 9: Troubleshooting Missing BGP Routes

9.1: Missing Routes with Communities

9.2: Troubleshooting BGP Route Policies

9.3: Troubleshooting Filtering

9.4: Troubleshooting with BGP Event History (NX-OS)

Module 4: Troubleshooting BGP Convergence

Lesson 10: Understanding BGP Convergence

10.1: Understanding what Convergence Means

10.2: Factors Leading to Slow BGP Convergence

Lesson 11: Understanding BGP Update Generation

11.1: Understanding the Update Generation Process in Cisco IOS

11.2: Understanding the Update Generation Process in IOS XR

11.3: Understanding the Update Generation Process in NX- OS

Lesson 12: Troubleshooting BGP Convergence

12.1: Troubleshooting with BGP Next-Hop Tracking

12.2: Verifying InQ /OutQ

12.3: Verifying BGP Replication in Cisco IOS

12.4: Troubleshooting Convergence in IOS XR

12.5: Troubleshooting Convergence in NX-OS

Lesson 13: BGP Slow Peer

13.1: Identifying BGP Slow Peer

13.2: Mitigation Using Traditional Method

13.3: Mitigation Using Slow Peer CLI

Module 5: BGP Multi-Homing and Multipath

Lesson 14: BGP Multi-Homing

14.1: Multi-Homing with Internet Providers

14.2: Different Multi-Homing Topologies

14.3: BGP Load Balancing

Lesson 15: BGP Multipath

15.1: Understanding iBGP Multipath

15.2: Understanding eBGP Multipath

15.3: Understanding eiBGP Multipath

Module 6: Scaling BGP

Lesson 16: Scaling BGP Functions

16.1: ORF Overview

16.2: Understanding Path MTU Discovery

16.3: Implementing Maximum Prefixes

16.4: Implementing Maximum AS

16.5: Tuning BGP Memory

16.6: Tuning BGP CPU

Lesson 17: Scaling BGP with Route Reflectors

17.1: Understanding BGP Route-Reflector Clusters

17.2: Understanding Hierarchical Route-Reflectors

17.3: Understanding Partitioned Route-Reflectors

17.4: Understanding Virtual Route-Reflectors

Module 7: Securing BGP

Lesson 18: Securing BGP Connections

18.1: Implementing MD5 Authentication

18.2: Implementing EBGP Multi-Hop

18.3: Implementing TTL Security

18.4: Securing BGP Traffic using IPSec Tunnels

18.5: BGP Peering over IPv6 Link-Local Address

Lesson 19: Securing Inter-Domain Routing

19.1: Understanding Prefix Hijacking

19.2: Understanding RPKI

19.3: Configuring RPKI

19.4: Verifying Prefixes

19.5: Influencing BGP Best-Path Calculation with RPKI

Lesson 20: Preventing BGP DDOS Attacks

20.1: Understanding DDOS Attacks

20.2: Understanding BGP RTBH

20.3: Understanding BGP Flowspec

20.4: Configuring BGP Flowspec

20.5: Verifying Flows

Module 8: BGP High Availability

Lesson 21: BGP High Availability

21.1: Understanding Graceful Restart

21.2: Understanding NSF

21.3: Understanding BFD

21.4: Understanding Fast External Failover

21.5: Understanding Route Dampening

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